Flights from Washington DC to Montreal

Our cheapest offers for flights from Washington DC to Montreal

Here you can compare cheap flights from Washington DC (WAS) to Montreal (YMQ) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Montreal. Prices and availability may change at any time.

Outbound Return Airlines Shop Baggage Price
Washington-DC
Montreal
Outbound
06/18/25
1 Stopover (ATL)
DL1354, DL2665
10h 25min
Return
07/15/25
1 Stopover (ATL)
DL2625, DL2549
05h 55min
Delta Air Lines ?
$285
Best option
Washington-DC
Montreal
Outbound
09/04/25
direct
UA8083
01h 53min
Return
09/28/25
direct
UA8663
01h 55min
United Airlines ?
$435
found 3 days ago
Washington-DC
Montreal
Outbound
06/18/25
1 Stopover (YTZ)
PD2726, PD2487
05h 55min
Return
07/15/25
1 Stopover (YTZ)
PD2460, PD2725
04h 21min
Porter Airlines
$292
Washington-DC
Montreal
Outbound
06/18/25
1 Stopover (YTZ)
PD2726, PD2487
05h 55min
Return
07/15/25
1 Stopover (YTZ)
PD2460, PD2725
04h 21min
Porter Airlines
$300
Washington-DC
Montreal
Outbound
06/18/25
1 Stopover (YTZ)
PD2726, PD2485
03h 50min
Return
07/15/25
1 Stopover (YTZ)
PD2460, PD2725
04h 21min
Porter Airlines
$319
Washington-DC
Montreal
Outbound
06/18/25
1 Stopover (YTZ)
PD2726, PD2487
05h 55min
Return
07/15/25
1 Stopover (DTW)
WS8030, WS7902
10h 14min
Porter Airlines ?
$350
Washington-DC
Montreal
Outbound
06/18/25
1 Stopover (YTZ)
PD2726, PD2487
05h 55min
Return
07/15/25
1 Stopover (YTZ)
PD2454, PD2725
06h 11min
Porter Airlines ?
$357
Washington-DC
Montreal
Outbound
06/18/25
1 Stopover (YTZ)
PD2726, PD2487
05h 55min
Return
07/15/25
1 Stopover (YTZ)
PD2460, PD2725
04h 21min
Porter Airlines ?
$379
Washington-DC
Montreal
Outbound
06/18/25
1 Stopover (YTZ)
PD2726, PD2487
05h 55min
Return
07/15/25
1 Stopover (YTZ)
PD2460, PD2725
04h 21min
Porter Airlines
$383
Washington-DC
Montreal
Outbound
06/18/25
1 Stopover (YTZ)
PD2726, PD2487
05h 55min
Return
07/15/25
direct
AC8725
01h 51min
Porter Airlines ?
$388
Prices based on recent searches, subject to last-minute changes
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Tips and tricks to help you find cheap flights from Washington DC to Montreal

Favorite airline: Porter Airlines
Most travelers looking for flights on the route from Washington-DC to Montreal decide to book flights with Porter Airlines.
Porter Airlines
89 %
United Airlines
10 %
Westjet
2 %
Stopover flights are the cheapest connection
Compared to flights with a stopover, direct flights are $91.00 more expensive on this route.
non stop flight
1 stop
02h 01min
06h 15min
316 $US
225 $US
Favourite connection: via Toronto - City Centre
The most popular route is via Toronto - City Centre and is booked by 93 % of all travelers.
Route
bookings
1 stopover Toronto - City Centre Airport
06h 15min, from 225 $US
93 %
1 stopover New York - Newark Liberty International Airport, NJ
07h 16min, from 289 $US
5 %
1 stopover Toronto - City Centre Airport Toronto - Lester B. Pearson International Airport
06h 46min, from 283 $US
2 %

Important flight information

Flight information: Washington-DC - Montreal

Roundtrip from 284,53 $US
Flight duration min. 01:39 / max. 01:50
Return flight duration min. 01:44/ max. 02:07
Distance 792 km
Flights per week 40
Departure airport Airport Washington-DC (WAS)
Arrival airport Airport Montreal, Metropolitan Area - (YUL, YMX, YHU) (YMQ)
Destination country Flights to Canada
Alternative routes to Canada
Alternative flights to Montreal
Flight destinations with a similar price
Flight destinations with a similar price